Comparison Console
Nitecore NU31 vs Nitecore UT27
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore UT27 stands out as the lightest option for weight, with about a 23% gap from the closest alternative. Nitecore UT27 stands out as the highest output option for max lumens, with about a 45% gap from the closest alternative. Nitecore NU31 stands out as the longest runtime option for max runtime, with about a 914% gap from the closest alternative.
Decision Signals
What stands out
Nitecore UT27 stands out as the lightest option for weight, with about a 23% gap from the closest alternative.
Nitecore NU31 stands out as the heaviest option for weight, with about a 29% gap from the closest alternative.
Nitecore NU31 stands out as the lowest output option for max lumens, with about a 31% gap from the closest alternative.
Nitecore UT27 stands out as the highest output option for max lumens, with about a 45% gap from the closest alternative.
Nitecore UT27 stands out as the shortest runtime option for max runtime, with about a 90% gap from the closest alternative.
Nitecore NU31 stands out as the longest runtime option for max runtime, with about a 914% gap from the closest alternative.
Nitecore UT27 stands out as the shortest option for length, with about a 10% gap from the closest alternative.
Nitecore NU31 stands out as the longest option for length, with about a 11% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
Price & carry
Retail price
US$39.95
Unknown
Weight
95.5 g (3.37 oz)Heaviest
74 g (2.61 oz)Lightest
Length
62.3 mm (2.45 in)Longest
56 mm (2.20 in)Shortest
Output
Max lumens
550 lmLowest output
800 lmHighest output
Max candela
5800 cdLowest candela
7124 cdHighest candela
Beam distance
145 m (476 ft)Lowest
168 m (551 ft)Highest
Max runtime
8820 minLongest runtime
870 minShortest runtime
Power & durability
Battery type
Built-in 1800mAh Li-ion battery
HLB1500 rechargeable Li-ion battery (1500mAh) with USB-C charging port; also compatible with 3x AAA batteries
Charging type
USB-C charging port (5V
1A)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP66
IP66
Impact resistance
1 m (3 ft)
1 m (3 ft)
Material
Aluminum alloy front housing with durable PC material body
Durable polycarbonate (PC)
Use case profile
Best for
Outdoor activitiesCampingHikingNight trekkingSkywatching
Trail runningNight runningTrekkingHikingCampingEmergency lighting
Common praise
Lightweight and compact at 95.5gVersatile lighting modes including white, red, and high CRI auxiliary white lightLong battery runtime up to 147 hoursGood waterproof rating (IP66) and 1 meter impact resistanceUSB-C fast charging with short recharge timeSimple dual-button interface for easy operationReflective headband for safety
Lightweight and comfortable for trail runningGood range and beam qualityThree selectable color temperatures for versatile outdoor useAuxiliary red light preserves night visionBuilt-in rechargeable battery with USB-C chargingDurable construction with good water and impact resistance
Common complaints
Charging time varies between 1.5 to 3 hours depending on sourceSlight green tint on white LED reportedCannot replace internal rechargeable battery
Not designed for maximum lumens output compared to some other headlampsSome users may prefer longer runtime on highest mode
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